12311199 has 12 divisors (see below), whose sum is σ = 17887896. Its totient is φ = 8158992.

The previous prime is 12311191. The next prime is 12311207. The reversal of 12311199 is 99111321.

It is an interprime number because it is at equal distance from previous prime (12311191) and next prime (12311207).

It is not a de Polignac number, because 12311199 - 2³ = 12311191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2397 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (1490658).

Almost surely, 2^12311199 is an apocalyptic number.

12311199 is a deficient number, since it is larger than the sum of its proper divisors (5576697).

12311199 is a wasteful number, since it uses less digits than its factorization.

12311199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086 (or 8083 counting only the distinct ones).

The product of its digits is 486, while the sum is 27.

The square root of 12311199 is about 3508.7318221831. The cubic root of 12311199 is about 230.9050602154.

The spelling of 12311199 in words is "twelve million, three hundred eleven thousand, one hundred ninety-nine".